I contemplated on cutting the last 20-30 cm off of the bike frame. I looked at it and my reasoning that'd do nothing to it's stiffness. At the very least the pillion seat bracket etc small brackets are useless. All that needs to remain are mounting points for the rear fairing and "mud guard", ie. the black plastic thing supporting battery and ECU. Not exactly worried about the bike's resale value.
Ofcourse you could go crazy with the wiring harness, do it from scratch and use aluminium wiring for weight. Right now I'm doing what I can with little cost and reasonable effort.
Wiring removed with two airbox pipes I deemed unneccessary: